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Measurement of the W boson mass with the D0 detector

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    0434079 - FZÚ 2015 RIV US eng J - Journal Article
    Abazov, V. M. - Abbott, B. - Acharya, B.S. - Kupčo, Alexander - Lokajíček, Miloš … Total 360 authors
    Measurement of the W boson mass with the D0 detector.
    Physical Review D: Particles, Fields, Gravitation and Cosmology. Roč. 89, č. 1 (2014), "012005-1"-"012005-46". ISSN 1550-7998
    R&D Projects: GA MŠMT(CZ) LG12006
    Institutional support: RVO:68378271
    Keywords : D0 * Fermilab * transverse * boson * mass * electron * transverse momentum * momentum spectrum * transverse energy missing-energy * Batavia
    Subject RIV: BF - Elementary Particles and High Energy Physics
    Impact factor: 4.643, year: 2014

    We give a detailed description of the measurement of the W boson mass, MW, performed on an integrated luminosity of 4.3 fb−1, which is based on similar techniques as used for our previous measurement done on an independent data set of 1 fb−1 of data. The data were collected using the D0 detector at the Fermilab Tevatron Collider. This data set yields 1.68×106 W→eν candidate events. We measure the mass using the transverse mass, electron transverse momentum, and missing transverse energy distributions. The MW measurements using the transverse mass and the electron transverse momentum distributions are the most precise of these three and are combined to give MW = 80.367 ± 0.013 (stat) ± 0.022 (syst) GeV = 80.367 ± 0.026 GeV. When combined with our earlier measurement on 1 fb−1 of data, we obtain MW = 80.375 ± 0.023 GeV.
    Permanent Link: http://hdl.handle.net/11104/0238222

     
     
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